RSS2L / RSS2R SeriesIM-P137-02ST Issue 8

Smart Valve PositionerRSS2L / RSS2R SeriesRSS2SL / RSS2SR Series (SS316)

Installation and Maintenance Instructions

Copyright 2004

Contents

1. Safety Instructions / Precautions2 11.5.3 Selection of Linear, E.Q.%,

2. Overview of Structure7Quick Open, User Set (17points)

3. Specifications8 11.5.4 Span Adjustment38

4. Part Numbering System (Order Code)9 11.5.5 Zero Adjustment

5. Principle of Operation10 11.5.6 PID-Gain39

6. Descriptions of LCD Display and Buttons11 11.5.6.A P-Gain

7. Installation12 11.5.6.B I-Gain

7.1 Mounting onto Linear Actuator 11.5.6.C D-Gain

7.2 Mounting onto Rotary Actuator16 11.5.6.D GROP-Gain

8. Air Connections19 11.5.7 Control Speed adjustment41

8.1 RSS2L(linear type) 11.5.7.A SPEED

8.2 RSS2R(rotary type) 11.5.7.B SWST

9. Electrical Connections20 11.5.7.C CNLT42

9.1 Terminal Block 11.5.7.D GCNL

9.2 Measuring Output Signal21 11.5.8 Setting of Dead Band

9.2.1 With mA Loop Calibrator 11.5.9 D-gain setting for hard mode43

9.2.2 With Multi-meter 11.5.10 Control Mode

9.3 Wiring Alarm Limits 11.5.11 SUB-Parameter44

9.4 Wiring SPDT Micro Switches 11.5.11.A Valve Shut-Off Setting

9.5 Setting SPDT Micro Switches22 11.5.11.B Valve Full Open Control45

9.6 Wiring for Intrinsic Safety23 11.5.11.C Setting of Output Signal

9.7 Cable Gland / Blind Plug2411.5.11.D Split Range Setting

10. Quick Auto-Calibration25 11.5.11.E Chang of Decimal Display

10.1 Quick Auto-Calibration 11.5.11.F Setting of Alarm Limits46

10.2 Span Adjustment11.5.11.G Setting of Input Signal48

10.3 GROP-Gain Adjustment2611.5.11.H Setting of Output Signal

10.4 Checking Ambient Temperature11.5.11.I HART Polling Address49

11. Description of Parameters Flow2711.5.11.J Partial Stroke Test

11.1 Parameters Flow Diagram12. Maintenance / Service50

11.2 Main Menu2812.1 Preliminary Check Points

11.3 Parameters2912.2 Module Parts

11.4 Setting Main Parameters3012.3 Structure of Gauge Block

11.4.1 LOCK ON / OFF12.4 Re-setting of Potentiometer51

11.4.2 Display Mode13. Troubleshooting52

11.4.3 Manual Mode3113.1 Error Codes and Recommended Actions

11.4.4 Monitor Mode3213.2 Checking Diagram for Stable Control53

11.4.5 Auto-Calibration Mode3314. Spare Parts54

11.4.5.A Performing Auto-Calibration 14.1 RSS2L Spare Parts

11.4.5.B Initializing Parameters 14.2 RSS2R Spare Parts55

11.4.6 Self-Test Mode33 14.3 List of Spare Parts56

11.5 Sub-Parameters Flow Diagram3515. Dimensions57

11.5.1 Change of Input Signal36 15.1 RSS2L(linear type)

11.5.2 Selecting DA / RA 15.2 RSS2R(rotary type)58

15.3 RSS2R (2 x SPDT micro limit switch)59

1-1 Safety Instructions

These safety instructions are intended to prevent hazardous situations and/or equipment damage. These instructions indicate the level of potential hazard with the labels of Caution, Warning or Danger. They are all important notes for safety and must be followed in addition to International Standards (IEC) Note 1), and other safety regulations.Note 1) IEC 60079-0 : 2007 EN 60079-0 : 2009 EN 13463-1 : 2009 IEC 60079-11 : 2006 EN 60079-11 : 2007 EN 13463-5 : 2010

CautionCaution indicates a hazard with a low level of risk which, if not avoided, could result in minor or moderate injury.

WarningWarning indicates a hazard with a medium level of risk which, if not avoided, could result in death or serious injury.

DangerDanger indicates a hazard with a high level of risk which, if not avoided, will result in death or serious injury.

Warning

1. The compatibility of the product is the responsibility of the person who designs the equipment or decides its specifications.Since the product specified here is used under various operating conditions, its compatibility with specific equipment must be decided by the person who designs the equipment or decides its specifications based on necessary analysis and test results. The expected performance and safety assurance of the equipment will be the responsibility of the person who has determined its compatibility with the product. This person should also continuously review all specifications of the product referring to its latest catalogue information, with a view to giving due consideration to any possibility of equipment failure when configuring the equipment.2. Only personnel with appropriate training should operate machinery and equipment. The product specified here may become unsafe if handled incorrectly. The assembly, operation and maintenance of machines or equipment including our products must be performed by an operator who is appropriately trained and experienced.3. Do not service or attempt to remove product and machinery/equipment until safety is confirmed.1. The inspection and maintenance of machinery/equipment should only be performed after measures to prevent falling or runaway of the driven objects have been confirmed. 2. When the product is to be removed, confirm that the safety measures as mentioned above are implemented and the power from any appropriate source is cut, and read and understand the specific product precautions of all relevant products carefully.3. Before machinery/equipment is restarted, take measures to prevent unexpected operation and malfunction. 4. Contact SPIRAX SARCO beforehand and take special consideration of safety measures if the product is to be used in any of the following conditions. 1. Conditions and environments outside of the given specifications, or use outdoors or in a place exposed to direct sunlight.2. Installation on equipment in conjunction with atomic energy, railways, air navigation, space, shipping, vehicles, military, medical treatment, combustion and recreation, or equipment in contact with food and beverages, emergency stop circuits, clutch and brake circuits in press applications, safety equipment or other applications unsuitable for the standard specifications described in the product catalogue. 3. An application which could have negative effects on people, property, or animals requiring special safety analysis. 4. Use in an interlock circuit, which requires the provision of double interlock for possible failure by using a mechanical protective function, and periodical checks to confirm proper operation.

1-2 Safety Instructions

Caution

1. The product is provided for use in manufacturing industries. The product herein described is basically provided for peaceful use in manufacturing industries. If considering using the product in other industries consult SPIRAX SARCO beforehand and exchange specifications or a contract if necessary. If anything is unclear, contact your nearest sales branch.

Limited warranty and Disclaimer/Compliance Requirements The product used is subject to the following Limited warranty and Disclaimer and Compliance Requirements. Read and accept them before using the product.

Limited warranty and Disclaimer1. The warranty period of the product is 1 year in service or 1.5 years after the product is delivered. Note 2) Also, the product may have specified durability, running distance or replacement parts. Please consult your nearest sales branch.

2. For any failure or damage reported within the warranty period which is clearly our responsibility, a replacement product or necessary parts will be provided. This limited warranty applies only to our product independently, and not to any other damage incurred due to the failure of the product.

3. Prior to using SPIRAX SARCO products, please read and understand the warranty terms and disclaimers noted in the specified catalogue for the particular products.

Note 2) Vacuum pads are excluded from this 1 year warranty. A vacuum pad is a consumable part, so it is warranted for a year after it is delivered. Also, even within the warranty period, the wear of a product due to the use of the vacuum pad or failure due to the deterioration of rubber material are not covered by the limited warranty.

Compliance Requirements1. The use of SPIRAX SARCO products with production equipment for the manufacture of weapons of mass destruction (WMD) or any other weapon is strictly prohibited.

2. The exports of SPIRAX SARCO products or technology from one country to another are governed by the relevant security laws and regulations of the countries involved in the transaction. Prior to the shipment of a SPIRAX SARCO product to another country, assure that all local rules governing that export are known and followed.

1-3 PrecautionsBe sure to read before handling.

Operation

Warning1. Do not operate the positioner outside the specified range as this may cause problems. (Refer to the specifications.)2. Design the system to include a safety circuit to avoid the risk of danger should the positioner suffer failure.3. Be sure that exterior lead-in wiring to the terminal box is based on the guidelines for explosion-protection of manufactory electric equipment when being used as a flame proof, explosion proof construction.4. Do not remove terminal cover in a hazardous location while the power is on.5. Covers for the terminal and body should be in place while operating.6. When using as an intrinsically safe explosion-proof product, do not wire in a hazardous location while the power is on.

Caution1. Do not touch the actuator or valve's oscillating section when supply pressure has been added, as this is dangerous.2. Make sure fingers do not get caught when mounting and aligning the cam.Cut off the pressure supply and always release the compressed air inside the positioner and actuator before performing this work.3. Always use with the body cover unit mounted.Moreover, the positioner may not meet degrees of protection IP66 depending on the body cover mounting conditions. In order to meet degrees of protection IP66, tighten threads using the proper tightening torques (2.8 to 3.0 Nm).4. Always flush the pipe's inside before piping to ensure foreign objects such as machining chips do not enter the positioner.5. The actuator opening may become unstable when using the booster relay.6. Always use a ground connection to prevent noise from the input current and to prevent damage because of static electricity.7. Use the pressure reading on the supplied pressure gauge as an indication.8. The supplied pressure gauge's needle will malfunction if the pressure supply to the internal mechanism or positioner freezes. Ensure that the pressure gauge's internal parts do not freeze if using the pressure gauge in an operating environment with an ambient temperature of less than 0C.

For users

Caution1. Assemble, operate and maintain the positioners after reading the operation manual tho-roughly and understanding the content.

1-4 PrecautionsBe sure to read before handling.

Handling

Caution 1. Avoid excessive vibration or impact to the positioner body and any excessive force to the armature, as these actions may cause damage to the product. Handle carefully while transporting and operating.2. If being used in a place where vibration occurs, using a binding band is recommended to prevent broken wires because of the vibration.3. When exposed to possible moisture invasion, please take the necessary measures. For example, if the positioner is left onsite for long periods, a plug should be put in the piping port and a body cover unit fitted to avoid water penetration.Take measures to avoid dew condensation inside the positioner if exposed to high temperature and humidity. Take enough measures against condensation especially when packing for export.4. Keep magnetic field off the positioner, as this affects its characteristics.

Air Supply

Caution1. Use only dehumidified and dust extracted clean compressed air as the air supply.2. Use only dehumidified and dust extracted clean compressed clean air as the positioner contains extrafine orifices such as restrictor and nozzle.Do not use a lubricator.3. Do not use compressed air containing chemicals, organic solvents, salinity or corrosive gases, as this may cause malfunction.4. When operating below the freezing point, protect the positioner from freezing.

Operating Environment

Caution 1. Do not operate in locations with an atmosphere of corrosive gases, chemicals, sea water, or where these substances will adhere to the regulator. 2. Do not operate out of the indicated operation temperature range as this may cause damage to electronic parts and seal materials to deteriorate. 3. Do not operate in locations where excessive vibration or impact occurs. 4. If the body cover is being installed in a place where the body cover is exposed to direct sunlight, the use of a standard body cover without the LCD window is recommended.

1-5 PrecautionsBe sure to read before handling.

Maintenance

Warning1. After installation, repair or disassembly, connect compressed air and conduct tests to confirm appropriate function and leakage. Do not use the positioner when noise from the bleeder sounds louder compared with the initial state, or when it does not operate normally. If these occur, check immediately if assembled and mounted correctly. Never modify electrical construction to maintain explosion-proof construction.

Warning-Potential electrostatic charging hazard1. The non-metallic parts incorporated in the enclosure of this equipment may generate an ignition capable level of electrostatic charge. Therefore particularly when it used for applications that specifically require Group IIC, EPL Ga equipment, the equipment shall not be installed in a location where the external conditions are conductive to the build-up of electrostatic charge on such surfaces. Additionally, the equipment shall only be cleaned with a damp cloth.2. The enclosure contains aluminium and is considered to present a potential risk of ignition by impact or friction. Care must be taken during installation and use to prevent impact or friction. Particularly, it must not be used for applications that specifically require EPL Ga equipment.

Caution 1. The insulation between an intrinsically safe circuit and a frame of the equipment is not capable of withstanding a 500V dielectric strength test as defined in CI.6.3.12 of EN 60079-11:2007. This shall be taken into account during installation.2. The earthing of enclosure is necessary to maintain Intrinsic Safety because the insulation between an intrinsically safe circuit and a frame of the equipment is not capable of withstanding a 500V dielectric strength test. There are two earthing points on the equipment. One is provided as an internal earthing point inside rear cover of the equipment for attaching of a cable screen. The other is provided as an external earthing point on the left side of the enclosure. Their cross-sectional areas should be capable of carrying the maximum possible current of the equipment.(Generally, an insulated wire having a cross-sectional area of at least 4mm2 is recommended) The cable should be fitted with a spilt ring lock washer to minimize the risk of self-loosening and is of suitable construction for securing of conductors of cross sections up to 4mm2.

2. Overview of Structure

This product consists of the following parts. Electronic card comprised of microprocessor, HART modem and LCD Potentiometer for position feedback Gauge block Remote unit

The followings are descriptions of internal parts without cover.No.Description

1LCD

2Board cover

3Gauge block

4Supply air gauge

5Out 1 gauge

6UP, Up button

7DN, Down button

8MO, Mode button

9ENT, Enter button

10Ground

11Cable gland(or blind plug)

12Blind plug (or cable gland)

13Air venting hole

14Body

3. SpecificationsInput signal4 - 20 mA @ 24 VDC

Min. / Max. current3.6 mA / 50mA

Voltage drop (impedance)Without HART : 8.7 VDC (435 @ 20mA)With HART : 9.4 VDC (470 @ 20mA)

Operating angle/ strokeLinear type: 5 - 130mm *Rotary type: 25 - 120

Supply air pressure1.4 - 7.0 bar (20 - 100 psi)

Output pressure range0 - 100% of supply air

Air flow capacity80 /min = 4.8 Nm3/h = 2.8 scfm (Sup = 1.4 bar)233 /min = 14 Nm3/h = 8.2 scfm (Sup = 6 bar)

Air consumption2.8 /min = 0.17 Nm3/h = 0.1 scfm (Sup = 1.4 ~ 6 bar)

CharacteristicLinearity < 0.3% F.SSensitivity < 0.2% F.SHysteresis < 0.2% F.SRepeatability < 0.2% F.S

Operating characteristicLinear, EQ%, Quick open, User set (17 points)

LCD display4-digit

Response speed1 - 1000 (Min. 1, Max. 1000)

Scan time2 ms

Shut-off value0 - 10%

Valve actionDirect acting (DA) / reverse acting (RA)

Operating temperature-30 ~ +80 (-22 ~ +176) **

Pneumatic connectionsRc 1/4 or NPT 1/4NPT 1/4

Electrical connectionsG 1/2, NPT 1/2 or M20 x 1.5NPT 1/2

Explosion proof / protection classIntrinsically safe (Exia IIC T6) / IP66

Zone 1Zone 0

Body material / paintingAluminum die-castStainless steel 316

Weight1.6 kg3.9 kg

* For more than 200mm stroke on request** Operating temperature of -40 on request4. Part Numbering System (order code)RSS2 x xxxxxxxxx

Body materialAluminum die-cast

Stainless steel 316S

Actuator typeLinearL

RotaryR

Protection classIntrinsically safe (Exia IIC T6)I

Weatherproof to IP66W

Feedback leverLinear type5 ~ 30mm strokeA

5 ~ 70mm strokeB

5 ~ 130mm strokeC

80 ~ 200mm strokeD

Rotary typeFork leverF

NAMUR shaft(direct mounting)N

Pressure GaugeNot included0

6 bar (90psi)1

10 bar (150psi)2

Position feedbackNot includedN

Position transmitter (4~20mA output)O

2 x alarm limitL

2 x micro switch (SPDT)S

O + LM

O + SQ

CommunicationNot includedN

HART communicationH

Pneumatic Rc 1/4 - G 1/2 (standard)3

electrical NPT 1/4 - NPT 1/24

connectionsRc1/4 - M20x1.55

Mounting bracketNot includedN

IEC 60534-6-1 (for RSS2LL

IEC 60534-6-2( VDI/VDE 3845 )(for RSS2R)R

Feedback pin guideNot included0

Included1

4.1 Descriptions on Nameplate

Model No.: The product model and options selected are described. Input signal:4 20mA input signal with 2-wire is described. Ambient Temp.: The ambient temperate range for operation is described. Serial No. / Date: Serial number and production date are described. Input - Ui , Ii, Ri, Pi, Li, Ci : Intrinsic safety electrical parameters for input are described. output - Ui , Ii, Ri, Pi, Li, Ci : Intrinsic safety electrical parameters for output are described. Limit - Ui , Ii, Ri, Pi, Li, Ci : Intrinsic safety electrical parameters for alarm or switch are described. Protection class: Explosion proof classifications approved are described. Certificate No: Certification number is described.

5. Principle of Operation

If 4-20 mA input signal is supplied, the micro-processor compares input signal with position feedback and sends control signal to the I/P converting module. Pneumatic signal from the I/P converting module operates the valve and the valve stays at the desired position.

6. Descriptions of LCD display and Buttons

1 Display of input or output2 Main parameters3 mA, % display mode4 Operation of HART5 Up button6 Down button7 Mode button8 Enter button

Press "Mode" button for 5 secondsQuick auto-calibration

Press "Up()" button for 5 secondsGROP-gain adjustment

Press "Down()" button for 5 secondsSpan adjustment

Press "Enter" buttonAmbient temperature ()

1 Display of input or outputmA, %

2 Main parametersMODE RUN DISP MAN MON AUTO LOCK TEST PARM

3 Display modeSelection of mA, % or in reverse way with values shown (Ex. Reverse : 20% shown 80% shown)

4 HART communicationHART communication

5 Up ()UP button

6 Down ()DOWN button

7 MO (Mode)Selection of running modeSelection of parameter group or parameter

8 ENT(Enter)Save of setting values

7. Installation7.1 Mounting onto Linear Actuator7.1.1 Mounting onto Cast Yoke or Pillar Yoke< Cast yoke type >< Pillar yoke type > Cast yoke

Mounting bracket

Screws(M8)

U-bolts

Pillar yoke

7.1.2 Mounting onto Other Kind of Cast Yoke Cast yoke

Mounting bracket

Screws(M8)

7.2 Mounting onto Rotary Actuator

7.2.1 The RSS2R positioned supports NAMUR mounting standard (VDI/VDE 3835, IEC 60534-6-2).

1 Remote unit2 Multi-size bracket3 Rotary actuator

Assemble the multi-size bracket to the remote unit with 2 pcs M6 screw. Mount the remote unit onto the actuator with 2 pcs M5 screw. Connect air lines between the positioner and the actuator. Perform auto-calibration by pushing MODE button for 5 seconds.

Be sure to install the air filter regulator before the positioner and check a supply air pressure required to move the valve.

7.2.2 Mounting with Fork Lever Type

Remote unit Multi-size bracket Rotary actuator

Fork lever Remote feedback lever

7.2.3 Position of Fork Lever

Clockwise movementCounter-clockwise Movement

7.2.4 Re-assembling Multi-size Bracket according to Rotary Actuator

HL

L(mm)H(mm)L(mm)H(mm)

802013020

803013030

805013050

Check L and H on the actuator and re-assemble the multi-size bracket to fit your actuator mounting configuration.

8. Air Connections Be sure to install the air filter regulator before the positioner. Supply air should not contain water, oil or moisture. It is recommended to set a supply air pressure 10% higher than the actual operating pressure of the actuator.

8.1 RSS2L (linear type)

8.2 RSS2R (rotary type)

9. Electrical ConnectionsBe sure to supply the rated voltage and current stated on this manual. Otherwise, it may cause a serious damage or malfunctions.

Check polarity of + and exactly and connect wires.

When it is necessary to open the positioner cover at a humid place, more attention is required. It may cause a serious damage or malfunctions.

123456789111213141516

+-F+-+-+-NONCCOMNONCCOM

InputGroundAlarm limit 1Switch 1Switch 2

OutputAlarm limit 2

9.1 Terminal BlockMicro Switch 1, 2

1+4-20mA input signal9-Alarm limit 2

2-4-20mA input signal

3Ground11Switch 1 NO

4+4-20mA output signal12Switch 1 NC

5-4-20mA output signal13Switch 1 COM

6+Alarm limit 114Switch 2 NO

7-Alarm limit 115Switch 2 NC

8+Alarm limit 216Switch 2 COM

9.2 Measuring Output Signal

9.2.1 With mA loop calibrator

Position Transmitter Specifications

Output signal4 20mA, 2-wire

Power supply12 30 VDC

Output current limit30mA DC

Linearity0.75% F.S

Operating temperature-20 ~ +80

9.2.2 With multi-meter

Zero and span of position feedback (4-20mA output signal) are set automatically during auto-calibration process.

9.3 Wiring Alarm Limits

24VDC should be supplied for alarm limits.

9.4 Wiring SPDT Micro Switches

Micro Switch Specifications

TypeSPDT

Rating code10.1A @ 250 VAC

Operating temperature-25 ~ +85

9.5 Setting Micro Switches

After auto-calibration process, turn the micro switch cams clockwise slowly and check the contact points.

After checking the contact points of the micro switches at a desired position, fix with screws.

For reference, upper switch 1: No. 11, 12, 13lower switch 2: No. 14, 15, 16

9.6 Earthing

9.7 Wiring for Intrinsic SafetyThe RSS2L / RSS2R positioner is designed to meet the intrinsic safety standards of IEC/EN 60079-0, IEC/EN 60079-11, EN 13463-1, EN 13463-5. But the RSS2L / RSS2R positioner can be affected by the electrical or magnetic energy from other electric products. So please make a note of the instructions below.

Input signal : 4~20mA@ 24VDC 2wire [ red(+), black(-) ]Frame Ground : GreenOutput signal: 24VDC 2wire [ blue(+), yellow(-) ]2 x SPDT limit switch : 24VDC

1. Distinguish the intrinsic safety circuit and the non-intrinsic safety circuit, and separate the intrinsic safety circuit from other electrical circuit.2. Install the proper safety device to block the static or electromagnetism.3. If possible, minimize inductance and capacitance of wires. If the operating conditions are specified, try to keep inductance and capacitance as low as possible.4. Protect wires from the external damage.5. Ground in order to meet the operating regulations of the installation area.

1) The electronic card and the internal coils can be damaged in case of the input signals improper to the specifications of the RSS2L / RSS2R positioner.2) The RSS2L / RSS2R positioner doesnt work in case of a wrong connection of + and -. Be sure to check the proper terminals before connection.3) Ground internally and externally, if possible.4) Try to keep the intrinsic safety parameters of the RSS2L / RSS2R positioner as low as possible.(Ui, Ii, Ci, Li)5) Be sure to install the safety barrier between the RSS2L / RSS2R positioner and a power supply source.

9.8 Cable Gland / Blind Plug9.8.1 Cable Gland1. Cable Gland Cover

2. Cable Gland Sealing

3. Cable Gland Body

4. Blind Plug

1. The cable gland is installed as above before delivery. Change the positions of the cable gland and the blind plug for installation on other side.2. Turn the cover of the cable gland counter-clockwise to open, and insert wires.3. Connect wires to terminals and tighten the cable gland.1) Use the cable with diameter of Max. 12.5 to Min. 9.2) Be sure to disconnect a power supply before the above process.

9.8.2 Blind Plug1. Use the blind plug for the cable entry not used.2. Install or dis-install the blind plug with the screw driver.

10. Quick Auto-Calibration

10.1 Quick Auto-CalibrationSupply 4-20mA input signal and push MODE button for 5 seconds, auto-calibration process will start.It It may take a longer time according to sizes of the control valve and the actuator. Generally, it will take 2 3 minutes with the standard size valve and actuator.

If DATA on LCD blinks after auto-calibration process, see the error codes on page 21.

In case of a reverse acting actuator, RA is displayed and a countdown begins.

RA54321ENDRUN (auto-calibration is completed)

DA

In case of a direct acting actuator, DA is displayed and a countdown begins.

If MONT is shown during step 4 and an auto-calibration process is finished without completion, it means that the current mounting angle is out of the range. Please install the positioner properly. (See 7.1.7 Standard Installation on page 12)

10.2 Span Adjustment (SPAN)Span is set automatically after auto-calibration process. But it can be re-set manually as below, if necessary.

Push DN button for 5 seconds, SPAN will appear.Push ENT button, 100 will blink. Push UP or DN button, change the current value and push ENT button for a memory saving.If SPAN reaches a desired point, push MODE button. RUN mode will start.

The above is just an example to help understand how to set Span to 98.5%.

Keep pushing UP/DN button, SPAN will increase or decrease fast. 0.1% will increase or decrease by pushing a button one time.

10.3 P-Gain Adjustment (P-GN)Select LOW, MIDD or HIGH in GROP-Gain after selecting NORM, SMAL, or HARD in Control Mode.

If a hunting or an oscillation happens after auto-calibration, select a control mode (NORM, SMAL, or HARD) proper for a valve working condition and perform auto-calibration again. Change to HIGH from MIDD in GROP in case of a hunting problem. Change to LOW from MIDD in case of an oscillation problem. If a hunting or an oscillation still continues to happen, select other control mode and set in GROP again.

Keep pushing UP button for 5 seconds, GROP will appear. Push ENT.Select HIGH or LOW by pushing UP or DN button.

ParameterStatusDescription

Standard parameter

Hunting is happeningChange to Hard mode in case of a hunting problem (by rapid under or overshooting)

Oscillation is happeningChange to Low mode in case of an oscillation problem (by slow under or overshooting)

10.4 Checking Ambient TemperatureKeep pushing ENTER button, an ambient temperature surrounding the positioned will appear. Note that this ambient temperature appears only while pushing ENTER button.

11. Description of Parameters Flow11.1 Parameters Flow Diagram

11.2 Main ParametersRef.ParameterDescriptionFunction

11.4.2(P. 30)DISPDISPLAYchanges the LCD display mode

PVPRPV % valueshows the current position by %

PVMAPV mA valueshows the current position by mA

SVPVPVPR-SVPR(automatic turn)shows the current position by % and mA by turns at intervals of 1 second

SVPRInput signal % valueshows the input signal by %

SVMAInput signal mA valueshows the input signal by mA

PV-RPV % value(reversed value)shows the current position by % in a reverse way( Ex. PVPR 10% PV-R 90% )

Ref.ParameterDescriptionFunction

11.4.3(P. 31)MANMANUALoperates the valve manually

MSETMANUAL-SEToperates the valve manually

ENDMove to 100%moves a valve to 100% regardless of input signals

ZEROMove to 0%moves a valve to 0% regardless of input signals

STEPMove by 1%moves a valve by 1% regardless of input signals

Ref.ParameterDescriptionFunction

11.4.4(P. 32)MONMONITORchecks the current status of the positioner

CHEKERROR CHEKchecks the errors occurred to the positioner

MILERuntimechecks the total valve runtime

PARARegistry memory valueschecks the registry records in memory

Ref.ParameterDescriptionFunction

11.4.5(P. 33)AUTOAUTO-SETperforms auto-calibration and return to the factory settings

TUNEAuto-calibrationperforms auto-calibration

RESTRESETreturns to the factory settings

Ref.ParameterDescriptionFunction

11.5PARMSub-parameterssee the parameters on next page

Ref.ParameterDescriptionFunction

11.4.6(P. 33)TESTTEST MODEtests the positioner

TIMEInterval timesets the testing interval time

STP1STEP10% 50% 100% 50% 0% Repeat

STP2STEP20% 25% 50% 75% 100% 75% 50% 25% 0% Repeat

STP3STEP31% 10% 20% 90% 100% 90% 20% 10% 0% Repeat

11.3 Parameters11.3.1 Main ParametersRef.ParameterDescriptionFunctionDefault

11.5.1 (P. 36)INPUInput signal420mA or 204mA420mA

11.5.2 (P. 36)R / DARA / DAReverse acting or direct actingRA

11.5.3 (P. 36)L / E.Q / QOPN/USERCharacteristicLinear, E.Q. % (1:25 or 1:50),Quick openor User set (17points)Linear

11.5.4 (P. 38)SPANSpan adjustment0100%100%

11.5.5 (P. 38)ZEROZero adjustment099%0%

11.5.6 (P. 39)PIDP-GN / I-GN/ D-GNProportional / Integral / Differential gain valueAuto-set

11.5.7 (P. 41)CTRLSPED / SWST / CNLT / GCNLSee 11.3.2 CTRL

11.5.8 (P. 42)DEADDead band09.99%0.5%

11.5.9 (P. 43)FDGND-gain setting for hard modeD-Gain setting for hard modeAuto-set

11.5.10 (P. 43)C/MDNORM / HARD / SMALStandard actuator, strong valve packing friction, small actuator or angle seat valveNORM

11.5.11 (P. 44)SUBSub-ParametersSee 11.3.3 SUB

11.3.2 CTRL - Parameters (control speed adjustment)Ref.ParameterDescriptionFunctionDefault

11.5.7.A (P. 41)SPEDResponse speed110001000

11.5.7.B (P. 41)SWSTSlow startSmooth operationAuto-set

11.5.7.C (P. 42)CNTLControl limit501250Auto-set

11.5.7.D (P. 42)GCNLGap Control limit100650Auto-set

11.3.3 SUB - ParameterRef.ParameterDescriptionFunctionDefault

11.5.11.A (P. 44)SHUTShut-off09.9%0.3%

11.5.11.B (P. 45)FOPNFull-open09.9%0.3%

11.5.11.C (P. 45)OUTOutput signal420mA or 204mA420mA

11.5.11.D (P. 45)SPLTSplit range412mA or 1220mA420mA

11.5.11.E (P. 45)DIGNDisplay placeMovement to one or two decimal places1

11.5.11.F (P. 46)ALAMAlarm limit low, highAL1L/AL1H, AL2L/AL2H010%, 90105%

11.5.11.G (P. 48)ICALIN4M / IN20sets the values in accordance with 4~20mA input signalsFactory setting

11.5.11.H (P. 48)FCALFB4M / FB20sets the values in accordance with 4~20mA output signalsFactory setting

11.5.11.I (P. 49)POLLHART Polling Address0150

11.5.11.J (P. 49)PSTPartial Stroke Testchecks a valve statusOFF

11.4 Setting of Main ParametersThe following abbreviations will be used hereafter.MODEMOUPUP

ENTERENTDOWND

N

11.4.1 LOCK ON / OFFLOCKONOFF

LOCK ON: Saves all setting values.

LOCK OFF: Be sure to LOCK OFF when it is necessary to read or change the selected parameters and the saved setting values.

Quick auto-calibration, Span, P-Gain can be carried out without LOCK Off (see 10. Quick Auto-calibration)

LOCK is on unless any input signal is not supplied.

It is difficult to read or change under LOCK ON situation.

11.4.2 Display ModeDISPPVPR %PVMA mASVPV %/mASVPR %SVMA mAPV-R %

Selection of mA, % or in reverse way with values as shown(Ex. Reverse: 20% shown 80% shown)

If PV-R is selected, the small point will blink as shown to the left.

Present value(PV) or setting value(SV) is displayed with mA or %. Setting value stands for input signal. If a control valve is a direct acting type and it is necessary to see the feedback values in a reverse way, select PV-R.

11.4.3 Manual Mode (default: 0)The valve can be moved to 0 100% manually.MANMSETENDZEROSTEP

If END is set, the actuator will move to 100%.

If ZERO is set, the actuator will move to 0%.

If STEP is selected and UP/DN is pushed, the actuator will move to 1% by 1%

11.4.4 Monitor ModeMONCHEKOK 0 OK 12

MILE

PARAP01P61

You can check the error codes and a total valve runtime. Meanings of Error Codes

CodeCauseSymptomAction

CMLOLow input current (3.7mA)Data on LCD are shown too dim or too bright.Re-check 4 20mA input signals.

CMHIHigh input current (20.5mA)

IGMIDown speed longSlow operationThe actuator is too big.Use the air volume booster.

IGMXUp speed long

H/RXHART Rx errorHART signal failureRe-set and re-connect will be done after 2.5 seconds, but it is necessary to check the communication system in case of a continuous error.

MONTOperating angle out of rangeMONT is shown during step 4 and an auto-calibration process is finished without completion.Re-install the RSS2L / RSS2R positioner.

LOTTBias lowThe valve is not closed or moves slowly.Loosen a valve packing.

HITTBias highThe valve is not open or moves slowly.

FBFTFeedback error (0 - 1%)PM00 is shown at step 4 and an auto-calibration is finished without completion.Defectiveness of potentiometer socket contact or PCB board

FBSMFeedback error (2 - 9%)The operating stroke is too small and the valve doesnt work smoothly.Re-install the potentiometer and increase the operating angle of the feedback lever.

BADPST errorBAD is shown.Check the valve or increase the response time of PST.

PONTPotentiometer ErrorProblem of potentiometerCheck the potentiometer(Potentiometer Assy, Board)

RTQCoil errorProblem of coilCheck the coil assembly.

Number 1 corresponds to 10 hour. For example, if 1156 appears, it means that this valve has been working for 11,560 hours.

P01 to P61 are just for a factory setting and only for reference.

11.4.5 Auto-Calibration ModeAUTOTUNERSET

If necessary, initialize all setting values to the original values set after auto-calibration or return them to the factory setting values.

11.4.5.A Performing Auto-Calibration

Reverse acting (RA) is a standard factory setting. Even if air lines are connected wrongly by mistake, the RSS2 positioner detects automatically and performs auto-calibration for direct acting (DA).

If the actuator doesnt work with 4-20mA input signal properly, change air lines of OUT1 and OUT2 with each other and perform auto-calibration again.

For a reverse acting type (RA), a countdown will begin like RA-5-4-3-2-1-END. For a direct acting type (DA), a countdown will begin like 5-RA-DA-4-3-2-1-END.

11.3.4.B Initializing Setting Values (RESET)All setting values return to the standard factory setting values.

11.4.6 Self-Test ModeTESTTIMESTP1STP2STP3

11.4.6.A Check the valve working status by moving regardless of input signals. STP1: 0% 50% 100% 50% 0% Repeat STP2: 0% 25% 50% 75% 100% 75% 50% 25% 0% Repeat STP3: 1% 10% 20% 90% 100% 90% 20% 10% 0% Repeat

11.4.6.B Test Time Setting for Each Step (default: 10)Each test step advances at interval of 10 seconds as a standard factory setting.

11.4.6.C Modifications of Internal Settings

The current valve mounting situation is shown. If the value is far away from 50, the valve will suffer from a poor linearity and hysteresis. Move the positioner and try to reach closer to 50 for the best linearity and hysteresis.

- How to set MONT

For information, in MONT, the operating range (0~10k) of the potentiometer is displayed as %.- Step 1: Select MONT, and the valve will be fully open or closed and also the actual valve position will be shown as %. If the valve doesnt move any longer, push the ENT button.- Step 2: If the ENT button is pushed on Step 1, the valve will be fully open or closed and also the actual valve position will be shown as %. If the valve doesnt move any longer, push the ENT button.- Step 3: If the ENT button is pushed on Step 2, the actual valve position is shown as % in case of the 12mA input signal (50%) by using the actual valve positions got on the above Step 1 and Step 2. The positioner can get the best linearity at the actual valve position of 50%. Move the positioner up or down so that the valve position shown can reach closer to 50 and fix the mounting bracket tightly.

11.5 Parameters Flow Diagram

The colored cells stand for the standard factory settings.

All setting values return to the standard factory settings if RESET begins.

11.5.1 [INPU] Change of Input signal (default: 4-20mA)INPU4-2020-4

It is possible to make the positioner respond to 20-4mA input signals optionally even though 4-20mA input signals are supplied.

11.5.2 [R/DA] Selection of Direct Acting(DA) or Reverse Acting(RA) (default: RA)R/DAR AD A

11.5.3 [L/EQ] Change of Linear, E.Q.%, Quick Open or User Set (default: Linear)L/EQLINE25E50QOPN USER

The valve characteristic can be changed to Linear, 1:25 EQ%, 1:50 EQ%, Quick Open or User Set.

Linear

EQ% ( 1 / 25 )

EQ% ( 1 / 50 )

Quick Open

User set(17point)

- For the user setting,

Example 1)User Set ValueEx-1Ex-2

PointParameterInput Signal (mA)Valve Opening%(set value)

14MA4mA050

25MA5mA2030

36MA6mA2920

47MA7mA3515

58MA8mA4010

69MA9mA456

710MA10mA484

811MA11mA492

912MA12mA500

1013MA13mA513

1114MA14mA527

1215MA15mA5511

1316MA16mA6020

1417MA17mA6530

1518MA18mA7143

1619MA19mA8060

1720MA20mA100100

Example 2)

NOTES

1. This user setting has a linear characteristic as standard. 2. 5MA means % corresponding to 5mA.3. Input all 4MA to 20MA for a required user set characteristic curve. If Shut Off option is set, the set value at 4mA is maintained during interval of the Shut Off setting value as shown in Example 2).The curve goes according the user set value after interval of the Shut Off setting value. (0.3% is the default value of Shut Off.)As Shut-Off is set to 5% in Example 2), the curve maintains by 50% from 4 to 4.8mA and moves forward according to the user set.

11.5.4 [SPAN] Span Adjustment (default: 100)SPAN1000 - 100%

Be sure to supply 20mA input signal before adjusting SPAN.

Push DN button one time, Span will decrease by 0.1%. Keep pushing DN button, Span will decrease fast.

For a quick Span setting, push DN button for 5 seconds. (see 10.2)

11.5.3 [ZERO] Zero Adjustment (default: 0)ZERO00 - 99%

Zero can be adjusted to 0 99%.

11.5.6 PID-GainPIDP-GNI-GND-GNGROP

LOWHIGHMIDD

11.5.6.A P-Gain (Proportional Gain)P-GNAuto Set

The micro-processor calculates P-Gain value during auto-calibration process in consideration of sizes of the valve and the actuator. If a hunting problem happens, decrease P-Gain value. If an oscillation problem happens, increase P-Gain value. P-Gain values are different according to the working conditions. In case of a small actuator, increase or decrease 5 to 10. In case of a big actuator, increase or decrease by 20 to 30.

11.5.6.B I-Gain (Integral Gain)I-GNAuto Set

As I-Gain is set automatically during auto-calibration process, it is not necessary to change manually.

11.5.6.C D-Gain (Differential Gain)D-GNAuto Set

As D-Gain is set automatically during auto-calibration process, it is not necessary to change manually.

Push MO button one time in order to move to ten figures or hundred figures.

For a quick P-Gain setting, push UP button for 5 seconds. (see 10.3)

11.5.6.D GROP-Gain Adjustment (GROP)GROPMIDDHARDLOW

GROP consists of 3 kinds of gain according to Control Mode (NORM, HARD, SMAL). Most hunting or oscillation problems can be solved by selecting HARD or SMAL in Control Mode. But if it is necessary to adjust PID values, MIDD, HARD, LOW can be selected without a full understanding of PID control.

ParameterStatusDescription

Standard parameter

Hunting is happeningChange to Hard mode in case of a hunting problem (by rapid under or overshooting)

Oscillation is happeningChange to Low mode in case of an oscillation problem (by slow under or overshooting)

Keep pushing UP button for 3 seconds and move to GROP.

11.5.7 [CTRL] Control Speed AdjustmentCTRLSPEDSWSTCNTL

11.5.7.A [SPED] Respond Speed Adjustment (default: 1000)SPED1000

This is to adjust the response speed of the control valve. (Min: 1, Max: 1000)

11.5.7.B [SWST] Slow Start (default: automatically-set)SWSTON/OFF

This is to make a valve work slowly. In case of a small actuator, a hunting problem can happen due to a fast movement. This hunting problem can be solved with SWST parameter.

SWST is set automatically during an auto-calibration process if it takes a valve below 1 second to move from 0 to 100%.

11.5.7.C [CNLT] Control Limit (default: automatically-set)

CNLTAUTO50-1250

CNLT is to limit a control range and set automatically during an auto-calibration process. When 0% - 100% input signal is supplied, a recognition range of the positioner is settled according to CNLT.

If CNLT is increased as shown in Graph 3, a control speed can become faster but a hunting problem can happen. If CNLT is decreased as shown in Graph 4, a control speed can become slower but the positioner works more stably.

CNTL can be adjusted by 100.

11.5.7.D [GCNL] Gap Control Limit (default: automatically-set)GCNLAUTO100-650

GCNL is to control a whole operating range. If the valve comes within 3% of input signal, GCNL works with 1/2 value of CNLT for a safer control. In case that a hunting or oscillation problem happens around the position related to the input signal, a safer control can be accomplished by lowering GCNL.

11.5.8 [DEAD] Setting of Dead Band (default: 0.5)DEAD0.50-9.99%

If there is a difference between Setting Value(SV) and Present Value(PV), adjust Dead Band to 0 - 9.99%.

0.5% is a standard factory setting. For reference, 0.50 corresponds to 0.5% and the maximum value is 9.99 % (9.99).

11.5.9 [FDGN] HARD Mode FAST D-GainFDGNAUTO 0 - 50

HARD mode BIOS is available only when Control Mode is set to HARD. It is not available with setting of NORM or SMAL.

FDGN is used for a more stable valve control and set automatically during auto-calibration. The user can re-set the FDGN value manually. More power (pneumatic torque) is required to move a valve with a strong friction packing and it can cause a hunting or overshooting problem by inertia. By way of prevention, when the positioner reaches to a desired position, air is charged or discharged momentarily for a more stable valve control.

The FDGN value stands for the volume of air charged or discharged. If the FDGN value is set too high, a hunting problem can happen. If too small, FDGN will not be effective.11.5.10 Control Mode according to Valve Working ConditionC/MDNORMHARDSMAL

Control Mode is set automatically during auto-calibration. But it can be set manually for the current valve working condition in case of a hunting problem or an overshooting problem.

In case of normal actuator

In case of strong valve packing friction

In case of small actuator

1. Carry out auto-calibration again in case that it is changed to HART from NORM or SMAL.2. It is not necessary to carry out auto-calibration again in case that it is changed to NORM from SMAL or to SMAL from NORM.

11.5.11 SUB Parameter

Ref.ParameterDescriptionFunctionDefault

11.5.11.AShut-off09.9%0.3%

11.5.11.BFull-open09.9%0.3%

11.5.11.COutput signal420mA or 204mA420mA

11.5.11.DSplit range412mA or 1220mA420mA

11.5.11.EDisplay placeMovement to one or two decimal places1

11.5.11.FAlarm limit low, highAL1L/AL1H, AL2L/AL2H010%, 90105%

11.5.11.GIN4M / IN20Set to values relating to 4-20mA input signalFactory setting

11.5.11.HFB4M / FB20Set to values relating to 4-20mA output signalFactory setting

11.5.11.IHART Polling Address0150

11.5.11.JPartial Stroke Testchecks a valve statusOFF

11.5.11.A [SHUT] Valve Shut-off Control (default: 0.3)

SHUT0.30-9.9

It is a safety function to close a valve completely. And it is possible to change 0% to 9.9%. For reference, 0.1% means that the positioner responds to 0.016mA. Therefore, the standard value of 0.3% means that a valve is closed at 4.048mA completely.

11.5.11.B [FOPN] Valve Full Open Control (default: 0.3)FOPN0.30-9.9

The valve can be fully open manually. And it is possible to change 0% to 9.9%. For reference, 0.1% means that the positioner responds to 0.016mA. Therefore, the standard value of 0.3% means that a valve is fully open at 19.952mA.

11.5.11.C [OUT] Setting of Output Signal (default: 4 - 20mA)OUT4 - 2020 - 4

4 20mA is set as a standard factory setting. It is possible to change to 20 4mA.

11.5.11.D [SPLT] Spilt Range Setting (default: 4-20)SPLT4-204-1212-20

Split range can be set to 4-12mA or 12-20mA.

11.5.11.E [DIGN] Change of Decimal DisplayDIGN11 or 2

Setting value (SV) is displayed by the first decimal place as standard. It is possible to display by the second decimal place. For reference, only mA values can be displayed by the second decimal place. In case of % value, it is limited to display by the first decimal place.

11.5.11.F [ALRM] Setting of Alarm Limits (default: 0 10%, 90 105%)ALRMAL1LAL1HAL2LAL2H

0000001000900105

You can set an opening point or a closing point of a control valve. AL1 (L, H) is set to 0 10% and AL2 (L, H) is set to 90 105% from the factory as standard.

For example, see the below in order to re-set AL1 to 20 40% (AL1L = 20, AL1H = 40).

AL1L Setting

AL1H Setting

For example, see the below in order to re-set AL2 to 80 100%(AL2L = 80, AL2H = 100).

AL2L Setting

AL2H Setting

How to wire the Alarm Limits

24VDC should be supplied for alarm limits.

11.5.11.G [ICAL] Setting of Input Signal (default: factory setting)ICALIN4MIN20

This is to match 4mA and 20mA input signals from a signal calibrator with the internal setting 0% and 100% of the positioner and save onto memory.If 4mA output signal is measured as 4.2mA and 20mA output signal as 19.8mA with a signal calibrator on site, 4.2mA can be recognized as 0% and 19.8mA as 100% by re-setting with ICAL.

If ICAL is set at 4mA and 20mA, the middle output signals between 4mA and 20mA are set automatically. See [11.5.3 L/EQ] if it is necessary to change other characteristic curve.

11.5.11.H [FCAL] Setting of Output Signal (default: factory setting)FCALFB4MFB20

This is to re-set the 4 20mA output signals coming from the positioner.The factory setting is that 4mA is sent at 0% and 20mA is sent at 100%.

11.5.11.I [POLL] HART Communication Polling Address (default: 0) POLL00 ~ 15

This is to select one of HART communication polling address (0 ~ 15) on site. The default address is 0.As an unexpected problem can happens during communication, try to select after disconnecting HART communication.

11.5.11.J [PST] Partial Stroke Test (default: OFF) PSTONTITL SETRAMP RESP

OFF

This is to move the valve periodically regardless of input signals and check the valve status.- to set the TEST time interval (default: 0024 24 hours)- Setting of 0000 shows the PST working status every 1 minute.

- to set the moving point by % during TEST (default: 10%)- Valve position > 50% : move to the deceasing direction- Valve position < 50% : move to the increasing direction

- to adjust a moving range per second (default: 1.0%/sec)- One of 1.0, 0.5, 0.25, 0.12, or 0.06%/sec can be selected.

- to adjust a waiting time that the valve follows after the test signal (default: 10 seconds)

Even though Good is shown, if RESP is set too long, the judgment point will not be good for the next comparison. Also, if Bad is shown, RESP is set too low. Adjust RESP.

to show that there is no problem if the valve reaches Dead zone of the set position.

to show that it is necessary to check the valve status if the valve fails to reach Dead zone of the set position.

- It is possible to prevent the valve from getting stuck in the long term.

- Do not activate the PST function if it is not intended to use.

- The PST function is deactivated after auto-calibration.

12. Maintenance / Service

12.1 Preliminary Check Points

12.1.1 Voltage- The positioner commonly requires 4-20mA @ 24VDC for operation.- Voltage drop (impedance): Without HART 8.7VDC (435 @ 20mA) With HART 9.4VDC (470 @ 20mA)12.1.2 Electrical ConnectionsCheck polarities (+, -) of 4-20mA input signal definitely and make the electrical connections.

12.1.3 Pneumatic Connections (see 8.1, 8.2)

12.1.4 Supply Air QualityA supply air should be definitely clean and compressed free of water, moisture or oil in conformance with IEC 770 and ISA-7.0.01.

12.2 Module Parts RTQ Coil Assembly (spare part No. 12) Pilot Valve Assembly (spare part No. 5) PCB Control Board Assembly (spare part No. 3)

12.3 Structure of Gauge Block

12.4 Re-setting of Potentiometer (spare part No. 14a, 14b)It is necessary to adjust a setting of potentiometer as below when a gear position is moved due to users carelessness. For reference, 0~10k potentiometer is installed into the RSS2 positioner.

Dis-install the electronic card from the RSS2 positioner and make the markings on two gears match with each other.

Move the feedback lever to 50% position and adjust a potentiometer so that it can reach nearly 5k.

Re-install the RSS2 positioner onto the valve and re-perform auto-calibration.

13. Troubleshooting13.1 Error Codes and Recommended Actions

DATA

If the positioner doesnt work properly and on LCD blinks, try to take action as below.DATA blinks

Error CodeCauseSymtonAction

CMLOLow input current (3.7mA)Data on LCD are shown too dim or too bright.Re-check 4 20mA input signals.

CMHIHigh input current (20.5mA)

IGMIDown Speed LongSlow operationThe actuator is too big.Use the air volume booster.

IGMXUp Speed Long

H/RXHART Rx ErrorHART signal failureRe-set and re-connect will be done after 2.5 seconds, but it is necessary to check the communication system in case of a continuous error.

MONTOperating angle out of rangeMONT is shown during step 4 and an auto-calibration process is finished without completion.Re-install the RSS2L / RSS2R positioner.

LOTTBias LowThe valve is not closed or moves slowly.Loosen a valve packing.

HITTBias HighThe valve is not open or moves slowly.

FBFTFeedback error(0 - 1%)PM00 is shown at step 4 and an auto-calibration is finished without completion.Defectiveness of potentiometer socket contact or PCB board

FBSMFeedback error(2 - 9%)The operating stroke is too small and the valve doesnt work smoothly.Re-install the potentiometer and increase the operating angle of the feedback lever.

BADPST errorBAD is shown.Check the valve or increase the response time of PST.

PONTPotentiometer ErrorProblem of potentiometerCheck the potentiometer(Potentiometer Assy, Board)

RTQCoil ErrorProblem of coilCheck the coil assembly.

13.2 Checking Diagram for Stable Valve Control

13.2.1 Judgment of Valve Specifications Set in Control Mode considering a strength degree of packing and a size of actuator. (C/MD11.5.20)13.2.2 Judgment of Control Status Check operation with 4-20mA input signals after auto-calibration. In case of poor control (hunting / oscillation),1) Adjust the valve by using Grop-Gain or PID-Gain as shown at Stpe 1. (PID11.5.9)(Keep pushing the UP button for 3 seconds to advance into GROP)2) If the valve doesnt work properly, try to set in Control Mode and change to other valve working condition again. (Note that it is necessary to perform auto-calibration again in case of change of Normal Hard or Small Hard)StatusAction

An actuator is small and responds fast. And a hunting problem happens.SWST ONSPED Adjust11.5.1211.5.11

A valve doesnt move smoothly even in HARD mode due to a very strong packing.FDGN Re-adjust11.5.19

A valve moves too slowly in HARD mode.HBIS Re-adjust11.5.18

MONT is shown and auto-calibration fails to carry out.Re-mount7.1.7

14. Spare Parts

14.1 RSS2L Spare Parts

14.2 RSS2R Spare Parts

14.3 List of Spare PartsNo.Part No.Description

1PG-RSS2-01Cover

2PG-RSS2-02PCB control board cover

3PG-RSS2-03PCB control board module

4PG-RSS2-04Pilot valve cover

5PG-RSS2-05Pilot valve module

6PG-RSS2-06Body air line cover

7PG-RSS2-07Air line O-ring

8PG-RSS2-08RSS2 body

9PG-RSS2-09Gauge block O-ring

10PG-RSS2-10Gauge block (G)

11PG-RSS2-11Gauge block (N)

12PG-RSS2-12RTQ coil module

13PG-RSS2-13RTQ coil cover

14LPG-RSS2-14Potentiometer spring holder (L)

14RPG-RSS2-15Potentiometer spring holder (R)

15PG-RSS2-16Feedback gear wheel, shaft

16LPG-RSS2-17Feedback lever (L)

16RPG-RSS2-18Feedback shaft (R)

17LPG-RSS2-19Mounting bracket (IEC60534-6-1)

17RPG-RSS2-20Multi-size bracket (IEC60534-6-2)

18PG-RSS2-21Cable gland

19PG-RSS2-22Blind plug

15. Dimensions15.1 RSS2L (linear type)

15.2 RSS2 (with 2 x SPDT micro switch)

15.3 Remore Unit

57IM-P137-02 ST Issue 8